//
//  CZStatusToolBarView.swift
//  Weibo27
//
//  Created by apple on 16/4/20.
//  Copyright © 2016年 itcast. All rights reserved.
//

import UIKit
// 转发评论赞 枚举
enum CZStatusToolBarViewType: Int{
    case Retweet = 3001
    case Comment = 3002
    case Unlike = 3003
}

class CZStatusToolBarView: UIView {
    
    var statusToolBarViewsClosure: ((type: CZStatusToolBarViewType)->())?
    // 转发
    var retweetButton: UIButton?
    
    // 评论
    var commentButton: UIButton?
    
    // 赞
    var unlikeButton: UIButton?
    
    var status: CZStatus?{
        didSet{

            let retweetResult = getCountString(status?.reposts_count ?? 0, tilte: "转发")
            
            let commentResult = getCountString(status?.comments_count ?? 0, tilte: "评论")
            
            let unlikeResult = getCountString(status?.attitudes_count ?? 0, tilte: "赞")
            
            // 转发
            retweetButton?.setTitle(retweetResult, forState: UIControlState.Normal)
            // 评论
            commentButton?.setTitle(commentResult, forState: UIControlState.Normal)
            // 赞
            unlikeButton?.setTitle(unlikeResult, forState: UIControlState.Normal)
            
            
        }
    }
    
    
    /*
    
    - 底部tool 显示 转发 评论 赞 的业务逻辑
    - 如果我们的 count <= 0  直接显示  转发 评论 赞 文字
    -例如 count == 0  显示 转发 评论 赞
    - 如果我们的 count > 0 && count < 10000  直接显示 count
    -例如 count == 888  显示 888
    - 如果我们的 count >= 10000  显示 1万 2万
    -例如 count 10000  显示 1万   20000  2万
    -例如 count 12000  显示 1.2万

    */
    
    func getCountString(count: Int, tilte: String) -> String{
        
        if count <= 0{
            return tilte
        }else if count > 0 && count < 10000{
            return "\(count)"
        }else{
            // 转成 CGFloat
            let num = CGFloat(count / 1000) / 10
            // Int 转字符串
            var countString = "\(num)万"
            
            // 判断我们的字符串中 是否有'.0'

            if countString.containsString(".0"){
                countString = countString.stringByReplacingOccurrencesOfString(".0万", withString: "万")
            }
            
            return countString
            
        }
        
    }

    override init(frame: CGRect) {
        super.init(frame: frame)
        setupUI()
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    // MARK: - 监听方法
    func buttonClick(button: UIButton){
        statusToolBarViewsClosure?(type: CZStatusToolBarViewType(rawValue: button.tag)!)
    }

    // MARK: - 设置视图
    private func setupUI(){
        self.backgroundColor = RGB(red: 237, green: 237, blue: 237)
        // 01-添加控件
        retweetButton = addChildButton("timeline_icon_retweet", title: "转发", type: .Retweet)
        commentButton =  addChildButton("timeline_icon_comment", title: "评论",type: .Comment)
        unlikeButton =  addChildButton("timeline_icon_unlike", title: "赞", type: .Unlike)
        
        // 两根竖线
        let line1 = addChildLineImageView()
        let line2 = addChildLineImageView()
        // 02-添加约束
        
        // 01
        retweetButton!.snp_makeConstraints { (make) -> Void in
            make.top.bottom.leading.equalTo(self)
            make.width.equalTo(commentButton!)
        }
        
        // 02
        commentButton!.snp_makeConstraints { (make) -> Void in
            make.top.bottom.equalTo(self)
            make.leading.equalTo(retweetButton!.snp_trailing)
            make.width.equalTo(unlikeButton!)
        }
        
        // 03
        unlikeButton!.snp_makeConstraints { (make) -> Void in
            make.top.bottom.trailing.equalTo(self)
            make.leading.equalTo(commentButton!.snp_trailing)
        }
        
        // 04
        line1.snp_makeConstraints { (make) -> Void in
            make.centerX.equalTo(retweetButton!.snp_trailing)
            make.centerY.equalTo(retweetButton!)
        }
        
        // 05
        line2.snp_makeConstraints { (make) -> Void in
            make.centerX.equalTo(commentButton!.snp_trailing)
            make.centerY.equalTo(commentButton!)
        }
        
        
    }
    // 创建button
    func addChildButton(imgName: String, title: String,type: CZStatusToolBarViewType) -> UIButton{
        // 初始化button
        let button = UIButton()
        
        button.tag = type.rawValue
        // 添加点击事件
        button.addTarget(self, action: "buttonClick:", forControlEvents: UIControlEvents.TouchUpInside)
        // 设置文字
        button.setTitle(title, forState: UIControlState.Normal)
        button.setTitleColor(UIColor.darkGrayColor(), forState: UIControlState.Normal)
        button.titleLabel?.font = UIFont.systemFontOfSize(14)
        // 设置image
        button.setImage(UIImage(named: imgName), forState: UIControlState.Normal)
        // 设置背景图片
        button.setBackgroundImage(UIImage(named: "timeline_card_bottom_background"), forState: UIControlState.Normal)
        button.setBackgroundImage(UIImage(named: "timeline_card_bottom_background_highlighted"), forState: UIControlState.Highlighted)
        addSubview(button)
        return button
    }
    
    // 创建竖线
    func addChildLineImageView() -> UIImageView{
        let img = UIImageView(image: UIImage(named: "timeline_card_bottom_line"))
        addSubview(img)
        return img
    }
    
    
    
    
    
}
